Title:
MAGNETIC RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2020/166706
Kind Code:
A1
Abstract:
A tape-like magnetic recording medium according to the present invention is provided with: a base material; and a magnetic layer which is arranged on the base material and contains a magnetic powder. The magnetic powder contains magnetic particles that have uniaxial crystal magnetic anisotropy, while containing cobalt ferrite. The ratio of a component L4 having multiaxial crystal magnetic anisotropy to a component L2 having uniaxial crystal magnetic anisotropy, namely L4/L2 is from 0 to 0.25 (inclusive), said components being obtained by applying Fourier transformation to the torque waveform of this magnetic recording medium.
Inventors:
KATAGUCHI TAKASHI (JP)
TERAKAWA MASARU (JP)
TAKAHASHI TAKESHI (JP)
ICHISE NATSUKI (JP)
MAESHIMA KATSUNORI (JP)
TERAKAWA MASARU (JP)
TAKAHASHI TAKESHI (JP)
ICHISE NATSUKI (JP)
MAESHIMA KATSUNORI (JP)
Application Number:
PCT/JP2020/005826
Publication Date:
August 20, 2020
Filing Date:
February 14, 2020
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
G11B5/706; G11B5/70; G11B5/78; G11B5/842
Foreign References:
| JP2002056518A | 2002-02-22 | |||
| JP2018174282A | 2018-11-08 | |||
| JP2011216838A | 2011-10-27 | |||
| JP2004303292A | 2004-10-28 | |||
| JP2009054272A | 2009-03-12 |
Attorney, Agent or Firm:
SUGIURA, Masatomo et al. (JP)
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